Photo: Oakus53 · CC BY-SA 4.0Living in Lemont, IL: what to set up and who to call
The latest lead test reported by the Lemont water system, which supplies Lemont, came in at 25.0 ppb (Jan–Jun 2026), above the 15 ppb action level. Two school districts split the grades in Lemont: Lemont Township High School District 210 and Lemont-Bromberek Combined School District 113A.
I’m new in town
What to set up in Lemont, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Lemont.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Lemont. Its homes paid an average of 17.7¢ per kWh in 2025, about $107 a month (its average across Illinois, for customers on its standard service). Illinois lets you buy power from another supplier; 20% of Commonwealth Edison’s home customers do, and Commonwealth Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lemont water system
The Lemont water system supplies Lemont: about 95% of residents live in its service area. About 5% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 17,500 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×2, the latest beginning Jan 2026. 83% of the 3,525 systems serving 10,001–50,000 people had none. 1 older violation is still open, since 2026: a lead and copper treatment requirement (Lead and Copper Rule), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 25.0 ppb, above the 15 ppb action level that applied. That’s higher than 100% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0 (EPA’s estimate). Violations are counted by the start of their compliance period. IL0311620.
4 home internet providers serve Lemont
100% of 6,221 addresses can get 100/20 Mbps; 9% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 100% | 2,000/250 |
| AT&T | DSL, Fixed wireless, Fiber | 94% | 5,000/5,000 |
| T-Mobile | Fixed wireless | 65% | 100/20 |
| Verizon | Fixed wireless | 47% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lemont’s trash rules yet
Pickup rules, the dump and recycling in Lemont.
Where your child goes to school
Public school districts and the school path by grade.
Lemont is in two districts that split the grades: Lemont Township High School District 210 and Lemont-Bromberek Combined School District 113A.
A−School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Apr 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Lemont is in ZIP code 60439
ZIP codes where Lemont residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lemont | ZIP’s residents in Lemont |
|---|---|---|---|
| 60439 | Lemont, IL | 100% | 72% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Lemont
Who supplies Lemont’s drinking water, and has it had violations?
The Lemont water system (EPA ID IL0311620). It reported 2 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×2. 83% of systems its size had none. Its latest lead 90th percentile was 25.0 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Lemont?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Lemont?
Xfinity, AT&T, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Lemont?
60439. Census 2020 ZIP Code Tabulation Areas.
What school district is Lemont in?
Lemont Township High School District 210 and Lemont-Bromberek Combined School District 113A. Parts of the city are in Community Consolidated School District 180 and Lockport Township High School District 205 and Will County School District 92.
How do I register to vote in Lemont?
In Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before). Elections here are run by the Cook County Clerk. Check your registration at ova.elections.il.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Sep 12, 2025 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.